merge point (with small amend, same type as in 9.0 header declared for Tcl_Time::sec)

Author: sebres

generic/tclClock.c

@@ -4652,7 +4652,11 @@ ClockSafeCatchCmd(
 
 typedef struct ClockTzStatic {
     WCHAR *was;			/* Previous value of TZ. */
+#if TCL_MAJOR_VERSION > 8
     long long lastRefresh;	/* Used for latency before next refresh. */
+#else
+    long lastRefresh;		/* Used for latency before next refresh. */
+#endif
     size_t epoch;		/* Epoch, signals that TZ changed. */
     size_t envEpoch;		/* Last env epoch, for faster signaling,
 				 * that TZ changed via TCL */